This has a static checker warning because "frev" and "crev" can be
uninitialized if "info" is NULL.  I just changed the order of the checks
so that we check "info" first.
Reviewed-by: NRex Zhu <Rex.Zhu@amd.com>
Reviewed-by: NHuang Rui <ray.huang@amd.com>
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>